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The AtomS3U ESP32S3 Development Kit is a U disk form ESP32-S3 multi-function development board, using Espressif's ESP32S3 main control chip, dual-core Xtensa LX7 processor, main frequency 240MHz and built-in WiFi function. Its interfaces include a USB-A port (support OTG), one Grove port, a 6Pin@2.54mm header (including four GPIOs), peripherals include 1PDM microphone, one IRtube, and one programmable RGB-LED. The product can be used in scenarios such as human-computer interaction, voice input/recognition (STT), and IO control.
| Resources | Parameters |
| MCU | ESP32-S3FN8@Xtensa LX7,WIFI,OTG,CDC |
| Microphone | SPM1423 |
| interface | USB-A |
| Grove interface | PORTA |
| 2.54-6P interface | GND/VIN_5V/G14/G17/G42/G40 |
| Microphone sensitivity | 94dB SPL@1KHz typical: -22dBFS |
| Microphone signal-to-noise ratio | 94dB SPL@1KHz, A-weighted Typical: 61.4dB |
| Support for entering sound frequencies | 100Hz ~ 10KHz |
| Supports PDM clock frequency | 1.0 ~ 3.25MHz |
| RGB | WS2812 |
| Product Size | 52 x 20 x 10mm |
| Package Size | 68 x 21 x 11mm |
| Product Weight | 8.4g |
| Package Weight | 10.6g |
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